Easily convert JPG image files to PNG.
Easily convert JPG image files to GIF.
Easily convert JPG image files to ICO.
Easily convert JPG image files to BMP.
Extract email addresses from any kind of text content.
Get all the HTTP headers that an URL returns for a typical GET request.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Take an IP and try to look for the domain/host associated with it.
Get approximate IP details.
Get all possible details about a domain name.